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-rw-r--r--net/rds/ib_recv.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index c8c60981cf2e..9c4208f6b451 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -979,18 +979,22 @@ static inline void rds_poll_cq(struct rds_ib_connection *ic,
* to get a recv completion _before_ the rdmacm ESTABLISHED
* event is processed.
*/
- if (rds_conn_up(conn) || rds_conn_connecting(conn)) {
+ if (wc.status == IB_WC_SUCCESS) {
+ rds_ib_process_recv(conn, recv, wc.byte_len, state);
+ } else {
/* We expect errors as the qp is drained during shutdown */
- if (wc.status == IB_WC_SUCCESS) {
- rds_ib_process_recv(conn, recv, wc.byte_len, state);
- } else {
+ if (rds_conn_up(conn) || rds_conn_connecting(conn))
rds_ib_conn_error(conn, "recv completion on "
- "%pI4 had status %u, disconnecting and "
- "reconnecting\n", &conn->c_faddr,
- wc.status);
- }
+ "%pI4 had status %u, disconnecting and "
+ "reconnecting\n", &conn->c_faddr,
+ wc.status);
}
+ /*
+ * It's very important that we only free this ring entry if we've truly
+ * freed the resources allocated to the entry. The refilling path can
+ * leak if we don't.
+ */
rds_ib_ring_free(&ic->i_recv_ring, 1);
}
}